* If you have more than 10,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users in IM and Presence.

+

* If you have more than 10,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users of IM and Presence.

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* If you are migrating to a larger deployment that requires multiple vDisks, see the Replace a Single Server or Cluster for Cisco Unified Communications Manager document here http://www.cisco.com/en/US/products/sw/voicesw/ps556/prod_installation_guides_list.html

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* The recommendations below only apply to single cluster deployments. For multi-cluster deployments, it is recommended that you use the 5000 user VM configuration at a minimum. }}<br>

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* The recommendations below only apply to single cluster deployments. For intercluster deployments, Cisco recommends that you use the 5000 user OVA template at a minimum. }}<br>

* If you have more than 10,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users of IM and Presence.

+

* The recommendations below only apply to single cluster deployments. For multi-cluster deployments, it is recommended that you use the 5000 user VM configuration at a minimum. }}<br>

This VM size can be used when migrating from physical servers '''with 80 GB disk capacity or less''' (e.g. MCS-7825-H2).

+

<br>

-

If migrating from a physical server with more than 80 GB of disk capacity, see the Disaster Recovery System Administration Guide for guidance.&nbsp;<br>

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== Notes on 500 user VM configuration ==

-

<br>

+

This is a minimal VM configuration for use with Cisco Hosted Collaboration Solution. <br>

-

== Notes on 1000 user VM configurations ==

+

Maximum capacity:<br>

-

Full UC Mode maximum users:

+

*500 Full UC&nbsp;users<br>

+

*1000 IM-only users<br>

+

*6 single nodes or sub-clusters<br>

-

*1000 Full UC users per node

+

<br>

-

*1000 Full UC users per cluster (HA)

+

-

<br>IM-only Mode maximum users:

+

This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2). <br>

-

*2000 IM-only users per node

+

If you are migrating from a physical server with more than 80 GB of storage space to a virtual machine with a user deployment size of either 500 or 2000, see the Disaster Recovery System Administration Guide for more information.<br>

-

*2000 IM-only users per cluster (HA)

+

<br>

<br>

-

When this&nbsp;VM size is used, the Cisco Business&nbsp;Edition 6000 max users per cluster applies, even if this VM is used for UC on&nbsp;UCS instead of Business&nbsp;Edition 6000.

+

<br>

+

+

== Notes on 1000 user VM configurations ==

+

+

Maximum capacity:

+

+

*1000 Full UC users <br>

+

*2000 IM-only users<br>

<br>

<br>

-

This VM size can be used when migrating from physical servers '''with 80 GB disk capacity or less''' (e.g. MCS-7825-H2).

+

This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2). <br>

-

If migrating from a physical server with more than 80 GB of disk capacity, see the Disaster Recovery System Administration Guide for guidance. <br>

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<br>

<br>

<br>

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Line 344:

== Notes on 2000 user VM configurations ==

== Notes on 2000 user VM configurations ==

-

Full UC Mode maximum users:

+

Maximum capacity:

*2000 Full UC users per node

*2000 Full UC users per node

-

*6000 Full UC users per cluster (HA)

+

*2000 IM-only users

+

*3 single nodes or sub-clusters<br>

-

<br>IM-only Mode maximum users:

+

<br>

-

+

-

*2000 IM-only users per node

+

-

*6000 IM-only users per cluster (HA)

+

<br>

<br>

-

This VM size can be used when migrating from physical servers '''with 80 GB disk capacity or less''' (e.g. MCS-7825-H2).

+

This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2).

-

If migrating from a physical server with more than 80 GB of disk capacity, see the Disaster Recovery System Administration Guide for guidance. <br>

+

If you are migrating from a physical server with more than 80 GB of storage space to a virtual machine with a user deployment size of either 500 or 2000, see the Disaster Recovery System Administration Guide for more information.<br>

+

+

<br>

<br>

<br>

Line 224:

Line 364:

== Notes on 5000 user VM configuration ==

== Notes on 5000 user VM configuration ==

-

Full UC Mode maximum users:

+

Maximum capacity:

-

*5000 Full UC users per node

+

<br>

-

*15,000 Full UC users per cluster (HA)

+

-

<br>IM-only Mode maximum users:

+

*5000 Full&nbsp;UC users<br>

+

*12,500 IM-only users<br>

+

*6 single nodes or sub-clusters<br>

-

*12,500 IM-only users per node

+

<br>

-

*37,500 IM-only users per cluster (HA)<br>

+

+

This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2).

<br>

<br>

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== Notes on 15000 user VM configuration ==

== Notes on 15000 user VM configuration ==

-

Full UC Mode maximum users:

+

Maximum capacity:

-

*15,000 Full UC users per node

+

*15,000 Full UC&nbsp;users<br>

-

*45,000 Full UC users per cluster (HA)

+

*25,000 IM-only users<br>

+

*6 single nodes or sub-clusters<br>

-

<br>IM-only Mode maximum users:

+

<br>

+

+

<br>

-

*25,000 IM-only users per node

+

This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2).

Notes on 500 user VM configuration

This is a minimal VM configuration for use with Cisco Hosted Collaboration Solution.

Maximum capacity:

500 Full UC users

1000 IM-only users

6 single nodes or sub-clusters

This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2).

If you are migrating from a physical server with more than 80 GB of storage space to a virtual machine with a user deployment size of either 500 or 2000, see the Disaster Recovery System Administration Guide for more information.

Notes on 1000 user VM configurations

Maximum capacity:

1000 Full UC users

2000 IM-only users

This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2).

Notes on 2000 user VM configurations

Maximum capacity:

2000 Full UC users per node

2000 IM-only users

3 single nodes or sub-clusters

This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2).

If you are migrating from a physical server with more than 80 GB of storage space to a virtual machine with a user deployment size of either 500 or 2000, see the Disaster Recovery System Administration Guide for more information.

Notes on 5000 user VM configuration

Maximum capacity:

5000 Full UC users

12,500 IM-only users

6 single nodes or sub-clusters

This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2).

Notes on 15000 user VM configuration

Maximum capacity:

15,000 Full UC users

25,000 IM-only users

6 single nodes or sub-clusters

This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2).

IOPS and Storage System Performance Requirements

Expect similar peaks as Cisco Unified Communications Manager during backups and upgrades.